378739532 has 24 divisors (see below), whose sum is σ = 704077920. Its totient is φ = 177647360.

The previous prime is 378739531. The next prime is 378739561. The reversal of 378739532 is 235937873.

It is not an unprimeable number, because it can be changed into a prime (378739531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12194 + ... + 30102.

It is an arithmetic number, because the mean of its divisors is an integer number (29336580).

Almost surely, 2^378739532 is an apocalyptic number.

It is an amenable number.

378739532 is a deficient number, since it is larger than the sum of its proper divisors (325338388).

378739532 is a wasteful number, since it uses less digits than its factorization.

378739532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18241 (or 18239 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The square root of 378739532 is about 19461.2315129336. The cubic root of 378739532 is about 723.5139004755.

The spelling of 378739532 in words is "three hundred seventy-eight million, seven hundred thirty-nine thousand, five hundred thirty-two".